Finding the Fourth Proportional to 217,020.24, 299,481.08 and 120,220.20
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Solution
The fourth proportional to 217,020.24, 299,481.08 and 120,220.20 is: 165,900.08
Step by Step Solution
- Step 1: Write the proportion equation
217,020.24 : 299,481.08 = 120,220.20 : x - Step 2: Convert to fraction form
217,020.24/299,481.08 = 120,220.20/x - Step 3: Cross multiply
217,020.24x = 299,481.08 × 120,220.20 - Step 4: Simplify right side
217,020.24x = 36,003,674,732.72 - Step 5: Solve for x
x = 36,003,674,732.72/217,020.24 - Step 6: Final answer
x = 165,900.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.